Development of galvanic corrosion-resistant CFML based on composite coating

Wenxue Wang, Yoshihiro Takao, Terutake Matsubara, Chihiro Uchimura, Shunsuke Baba, Makoto Higashijima

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A galvanic corrosion-resistant carbon fiber-reinforced metal laminate (CFML) is created in this paper. Aluminum alloy 2024-T3 is selected as the metal layer. A surface treatment method of composite coating combining a sulfuric acid anodizing with a hybrid sol-gel coating for the aluminum alloy is developed. This composite coating is used to prevent CFML from galvanic corroding. Electrochemistry tests are conducted to evaluate the properties of electrochemistry of aluminum alloy treated by the present method. The test results prove that the composite coating can provide good protection for CFML against the galvanic corrosion. CFML consisting of carbon fiber-reinforced epoxy layer and the aluminum alloy sheet with composite coating is fabricated by autoclave cure processing. The cross-section of CFML is analyzed by scanning electron microscope (SEM) and electron probe micro analyzer (EPMA). Good thin interlayer consisting of composite films is formed between the aluminum alloy and carbon fiberreinforced epoxy layer. Corrosion tests of CFML with and without composite coating are conducted and the CFML with composite coating shows excellent corrosion resistance.

Original languageEnglish
Pages (from-to)420-425
Number of pages6
JournalZairyo/Journal of the Society of Materials Science, Japan
Volume56
Issue number5
DOIs
Publication statusPublished - May 1 2007

Fingerprint

Fiber reinforced metals
Composite coatings
carbon fibers
laminates
Carbon fibers
Laminates
corrosion
Corrosion
coatings
composite materials
aluminum alloys
Aluminum alloys
metals
Electrochemistry
electrochemistry
anodizing
corrosion tests
autoclaves
carbon fiber
Autoclaves

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Development of galvanic corrosion-resistant CFML based on composite coating. / Wang, Wenxue; Takao, Yoshihiro; Matsubara, Terutake; Uchimura, Chihiro; Baba, Shunsuke; Higashijima, Makoto.

In: Zairyo/Journal of the Society of Materials Science, Japan, Vol. 56, No. 5, 01.05.2007, p. 420-425.

Research output: Contribution to journalArticle

Wang, Wenxue ; Takao, Yoshihiro ; Matsubara, Terutake ; Uchimura, Chihiro ; Baba, Shunsuke ; Higashijima, Makoto. / Development of galvanic corrosion-resistant CFML based on composite coating. In: Zairyo/Journal of the Society of Materials Science, Japan. 2007 ; Vol. 56, No. 5. pp. 420-425.
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